CN110360958A - A kind of magnetoresistance transformer bias automatic checkout system and method - Google Patents
A kind of magnetoresistance transformer bias automatic checkout system and method Download PDFInfo
- Publication number
- CN110360958A CN110360958A CN201910478826.1A CN201910478826A CN110360958A CN 110360958 A CN110360958 A CN 110360958A CN 201910478826 A CN201910478826 A CN 201910478826A CN 110360958 A CN110360958 A CN 110360958A
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- servo motor
- rotary transformer
- error
- rotor
- transformer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The invention proposes a kind of magnetoresistance transformer bias automatic checkout system and method, including testboard bay and control system, the testboard bay includes a stator supporting bable tops, is used to support the stator of the rotary transformer；One horizontal sliding table is arranged below stator supporting bable tops；One slide unit supporting bable tops；One servo motor, for driving the rotor of the rotary transformer；An and digital camera；Control system includes the main control module and testing and control error calculation plate of controlled level slide unit displacement and servo motor.It is eccentric that the system can detect rotary transformer rotor by visual identification algorithm, and by horizontal sliding table adjust automatically, servo motor drives rotary transformer to rotate and calculate its intrinsic angular error.The angular error tested out can automatically form with the associated error relationship picture of eccentric position, and store error information can be used in big data statistics, Optimized Improvement Design processing method.The system is suitable for magnetoresistance transformer exploitation, production and the application high to automation, intelligent requirements.
Description
Technical field
The invention belongs to rotary transformer products detection systems, are related to magnetoresistance transformer detection, especially a kind of
Magnetoresistance transformer detection system with eccentric automatic detection function.
Background technique
Currently, what magnetoresistance transformer used is more and more extensive, especially new energy electric drive field, to reluctance type
The accuracy of rotary transformer is higher and higher with reliability requirement, and magnetoresistance transformer is needed to have consistency, accuracy
And the ability of anti-off-centre operation.Magnetoresistance transformer detection system is as detection rotary transformer product export and product
The key equipment of storage, detection speed is slowly, detection the degree of automation is low, lacks eccentric recognition capability, will influence reluctance type
The quality of rotary transformer production and storage, causes defect ware to be missed or erroneous detection, causes catastrophic consequence, therefore to magnetic
The automation eccentricity detecting design of resistive rotary transformer is necessary.
In addition, the detection system of automation, different to detect with conventional manual, it can be by a large amount of magnetoresistance transformer
Detection is stored into Database Systems, is associated with identification convenient for product technology iteration and critical failure factor.So that entire reluctance type
Rotary transformer design production detection chain forms fast closed-loop iteration.Improve product design ability.
To sum up, there is presently no a kind of magnetoresistance transformer test macros, can be directly realized by eccentric automation
Detectability.
Summary of the invention
Present invention seek to address that above-mentioned technical problem, provides a kind of eccentric automatic detection of magnetoresistance transformer
System, to replace the magnetoresistance transformer detection system of traditional manual turntable type.
The present invention through the following technical solutions to achieve the above objectives:
A kind of magnetoresistance transformer bias automatic checkout system, including testboard and control system, the testboard
Including a stator supporting bable tops, it is used to support the stator of the rotary transformer；One horizontal sliding table is arranged in stator supporting bable tops
Lower section；One slide unit supporting bable tops；One servo motor, for driving the rotor of the rotary transformer；An and digital camera；
Control system includes the main control module and testing and control error calculation plate of controlled level slide unit displacement and servo motor.
Preferably, shaft connecting rod, shaft link supports and the fixed rotary transformer are installed in the servo motor end
Rotor, so that the rotor is rotated coaxially with servo motor.
Preferably, the testing and control error calculation plate includes rotary transformer decoder module and servo motor position feedback
Reference Transforming module.
According to a kind of detection method of above-mentioned magnetoresistance transformer bias automatic checkout system, including following step
It is rapid:
1. starting test, first digital camera (8) detection rotary transformer stator (1) and rotary transformer rotor (7)
Between gap delta, as δ=(Rsin-Rrout)/n, wherein Rsin be rotary transformer stator internal diameter, Rrout be rotation
The outer diameter of transformer rotor, n are greater than the natural number equal to 5, send starting test signal to main control module；As δ ≠ (Rsin-
Rrout)/n when, to main control module send Mobile Slide signal, make δ=(Rsin-Rrout)/n；
2. main control module receives starting test signal, rotate servo motor (5), start recording rotary transformer angle information
With servo motor feedback position angle information, and carry out making the difference calculating, and storing data；After servo motor (5) rotate 5 circumference
Stop servo motor (5)；
3. mobile and horizontal slide unit (3) increases δ by (Rsin-Rrout)/n；Stator, rotor clearance δ are detected, as δ ≠ (2n-1)
(Rsin-Rrout)/n when, n is greater than the natural number equal to 5, rotation servo motor (5) record rotary transformer angle information and
Servo motor feedback position angle information, and carry out making the difference calculating, storing data, as δ=(2n-1) (Rsin-Rrout)/n, survey
Examination finishes stopping test；
4. the storing data in test process identifies worst error error by main control modulemaxAnd minimal error
errorminAnd it records；Error information is transferred to master system or Cloud Server, and is stored according to product code numbering and status word,
Error information is converted into figure and shown by host computer or cloud system, and is presented on client circle by data statistic analysis tool
Face.
Preferably, rotary transformer rotor is driven by servo motor (5) and is rotated, and revolving speed and the controlled coremaking piece of acceleration are given
It is fixed.
Preferably, the angle information is calculated by rotary transformer decoder module, the servo motor feedback position
Angle information is obtained by servo motor position feedback Reference Transforming module.
Preferably, a reference value θ that resolver error calculatesrefBy the servo motor position coaxial with rotary transformer
Feedback signal determines.
Preferably, the error information of each position record includes test initial position co-ordinates, X-direction displacement increment, Y-direction
Displacement increment, maximal clearance value, worst error errormax, minimal error errorminAnd all rotations in 5 Machine cycles
Turn transformer angle resolving value θ and a reference value θrefDifference.Gap delta and servo motor revolving speed and acceleration are as rotation transformation
The status word of device error-detecting stores.
The beneficial effects of the present invention are:
Rotary transformer test eccentric system and method for the present invention, can automatically adjust rotary transformer stator
Bias simultaneously detects resulting eccentric error value, which does not need artificial craft by visual identity camera detection
Measurement, eccentric error detection accuracy is more accurate compared with manual method, and the direction XY displacement increment can be measured, and forms rotation and becomes
Relationship between depressor output error and center displacement.This method is easy, understandable, and rotary transformer can be helped to produce and purchase
The error range of unit accurate detection product and anti-eccentric ability.The detection data that its batch uploads can help to rotate change
Depressor developer adjusted design scheme in such a way that big data counts improves the accuracy class and product stability of product.
Detailed description of the invention
Fig. 1 is mechanical structure schematic diagram of the invention；
Fig. 2 is functional schematic block diagram of the invention；
Fig. 3 is test operation flow chart of the present invention
Fig. 4 is rotary transformer decoded signal and reference signal schematic diagram
Fig. 5 is rotary transformer decoded signal and reference signal difference schematic diagram
Specific embodiment
With reference to the accompanying drawings and detailed description to of the invention
Fig. 1 is mechanical structure schematic diagram of the present invention, and as can be seen from the figure layer of structure of the invention, the present invention are main
The servo motor 5 rotated by drive rotary transformer rotor 7, the horizontal sliding table for driving rotary transformer stator 1 to move horizontally
The digital camera 8 of air gap clearance forms between 3, and detection rotary transformer rotor and stator.
Test macro rack is as shown in Figure 1, tested stator of reluctance type rotary transformer 1 is installed by stator supporting bable tops 2
In the upper table surface of horizontal sliding table 3, horizontal sliding table 3 is fixed by slide unit supporting bable tops 4 and servo motor 5,5 end of servo motor peace
Shaft connecting rod 6 is filled, shaft connecting rod 6 supports and fixed tested magnetoresistance transformer rotor 7, enables the rotor with servo electricity
Machine 5 rotates coaxially.Digital camera 8 is mounted on right above rotor, for detecting 7 center displacement of rotary transformer rotor, is rotated
Gap between 7 outer ring of 1 inner ring of resolver stator and rotor is δ, and as δ ≠ 0.2 (Rsin-Rrout), wherein Rsin is rotation
The internal diameter of resolver stator, Rrout are the outer diameter of rotary transformer rotor, and adjustment horizontal sliding table 3 makes 1 inner ring of stator and rotor 7
Outer ring gap is (Rsin-Rrout)/5, starts to test as initial position；Make servo motor 5 that rotor 7 be driven to rotate, starts to remember
Rotary transformer angle information and servo motor feedback position angle information are recorded, and carries out making the difference calculating, and storing data；Work as servo
Motor stops servo motor after rotating 5 circumference；Mobile and horizontal slide unit 3 makes δ=0.4 (Rsin-Rrout), continues to test；Every tune
The X of a whole horizontal sliding table 3, Y-direction position rotate a servo motor, and rotation period should be greater than 2 Machine cycles, when δ≤
When 1.8 (Rsin-Rrout), it is completed stopping test.
Fig. 2 is functional schematic block diagram of the invention, and as seen from the figure, main control chip is the core of entire test macro, together
When have vision-based detection processing and motor, the Bit andits control function of horizontal sliding table and shaft detection and rotation become decoding, error meter
The function of calculation.Gap delta between rotary transformer stator 1 and rotary transformer rotor 7 is the feedback quantity of controlled level slide unit 3.
And the revolving speed of z-axis rotating servo motor then gives constant-speed operation customized or Accelerating running by control chip.Gap delta and servo motor turn
The status word storage that speed and acceleration are used as resolver error to detect.The error detection reference of rotary transformer derives from
Motor position feedback signal, it is coaxial with rotary transformer.
Error testing process is as shown in Fig. 2, main control module is responsible for adjusting the x of horizontal sliding table, the displacement of the direction y and servo electricity
The rotation of machine.Gap delta between 1 inner ring of rotary transformer stator detected of digital camera 8 and 7 outer ring of rotary transformer rotor
The center displacement amount of representative sends main control module to, and main control module is become by calculating by adjusting horizontal sliding table 3 to adjust rotation
The displacement of 1 horizontal direction of depressor stator, when horizontal sliding table 3 is moved to specified position, main control module makes servo for signal is issued
Motor 5 rotates, and rotates the output signal of rotary transformer of once 5 Machine cycles of record, output signal of rotary transformer is through revolving
Transformation depressor resolves module and calculates the Angle Position of rotation, and feeds back to main control module.Main control module acquires servo motor 5 simultaneously
The increment signal of upper coaxial encoder output.When rotary transformer angle position signal is zero, zero is caused to increment signal and is started
It counts, changes the numerical benchmark that incremental count value is error-detecting.As shown in figure 4, rotary transformer decoded signal and reference signal
It is very close clearly to recognize, storage need to be made the difference.Fig. 5 is the difference after rotary transformer decoded signal makes the difference with reference signal
Value, maximum value errormaxFor rotary transformer worst error, the minimum value error of differenceminFor rotary transformer minimum
Error.Calculating is made the difference by main control module, the error limit variation range of the horizontal sliding table present position is obtained, passes through master control mould
Block identifies worst error errormaxWith minimal error errorminAnd it records.The error information of each position record includes test
Initial position co-ordinates, X-direction displacement increment, Y-direction displacement increment, maximal clearance value, worst error errormax, minimal error
errorminAnd all rotary transformer angle resolving value θ in 5 Machine cycles and a reference value θrefDifference.It gap delta and watches
Take the status word storage that motor speed and acceleration are used as resolver error to detect.
Error information is transferred to master system or Cloud Server, and is stored according to product code numbering and status word, host computer
Or error information is converted into figure and shown by cloud system, and is carried out data statistic analysis by big data analysis tool and be presented on
Client end interface.
Above-described embodiment is preferred embodiment of the invention, is not that must limit technical solution of the present invention, in this base
Unlimited extend can also be done on plinth to change, as long as can realize on the basis of above-described embodiment obtains without creative work
Technical solution, is regarded as falling into the invention patent and obtains in rights protection scope.
Claims (8)
1. a kind of magnetoresistance transformer bias automatic checkout system, including testboard bay and control system, the testboard
Frame includes a stator supporting bable tops (2), is used to support the stator of the rotary transformer；One horizontal sliding table (3) is arranged in stator
Below supporting bable tops；One slide unit supporting bable tops (4)；One servo motor (5), for driving the rotor of the rotary transformer；With
An and digital camera (8)；Control system includes controlled level slide unit (3) displacement and main control module and the test of servo motor
Control error calculation plate.
2. a kind of magnetoresistance transformer bias automatic checkout system according to claim 1, the servo motor (5)
Shaft connecting rod (6) are installed in end, and shaft connecting rod (6) supports and the rotor (7) of the fixed rotary transformer, make the rotor (7)
It can be rotated coaxially with servo motor (5).
3. a kind of magnetoresistance transformer bias automatic checkout system according to claim 1 or 2, the testing and control
Error calculation plate includes rotary transformer decoder module and servo motor position feedback Reference Transforming module.
4. a kind of detection method of magnetoresistance transformer bias automatic checkout system according to claim 1 to 3, packet
Include following steps:
1) starting test, first digital camera (8) detection rotary transformer stator (1) inner ring and rotary transformer rotor (7)
Gap delta between outer ring, as δ=(Rsin-Rrout)/n, wherein Rsin is the internal diameter of rotary transformer stator, and Rrout is
The outer diameter of rotary transformer rotor, n are greater than the natural number equal to 5, send starting test signal to main control module；When δ ≠
(Rsin-Rrout)/n when, to main control module send Mobile Slide signal, make δ=(Rsin-Rrout)/n；
2) main control module receives starting test signal, rotates servo motor (5), start recording rotary transformer angle information and watches
Motor feedback position angle information is taken, and carries out making the difference calculating, and storing data；Stop after servo motor (5) rotate 5 circumference
Servo motor (5)；
3) mobile and horizontal slide unit (3) increases δ by (Rsin-Rrout)/n；Stator, rotor clearance δ are detected, as δ ≠ (2n-1)
(Rsin-Rrout)/n when, n is greater than the natural number equal to 5, rotation servo motor (5) record rotary transformer angle information and
Servo motor (5), and carry out making the difference calculating, storing data, as δ≤(2n-1) (Rsin-Rrout)/n, it is completed stopping
Test；
4) storing data in test process identifies worst error error by main control modulemaxWith minimal error errormin
And it records；Error information is transferred to master system or Cloud Server, and is stored according to product code numbering and status word, host computer or
Error information is converted into figure and shown by cloud system, and is presented on client end interface by data statistic analysis tool.
5. detection method according to claim 4, rotary transformer rotor is driven by servo motor (5) to be rotated, revolving speed
And the controlled coremaking piece of acceleration is given.
6. detection method according to claim 4, the angle information is calculated by rotary transformer decoder module, institute
Servo motor feedback position angle information is stated to be obtained by servo motor position feedback Reference Transforming module.
7. detection method according to claim 4, a reference value θ that resolver error calculatesrefBy with rotary transformer
Coaxial servo motor position feed back signal determines.
8. detection method according to claim 7, the error information of each position record includes test initial position co-ordinates,
X-direction displacement increment, Y-direction displacement increment, maximal clearance value, worst error errormax, minimal error errorminAnd 5
All rotary transformer angle resolving value θ and a reference value θ in Machine cyclerefDifference；Gap delta and servo motor revolving speed and add
The status word storage that speed is used as resolver error to detect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478826.1A CN110360958A (en) | 2019-06-04 | 2019-06-04 | A kind of magnetoresistance transformer bias automatic checkout system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910478826.1A CN110360958A (en) | 2019-06-04 | 2019-06-04 | A kind of magnetoresistance transformer bias automatic checkout system and method |
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| CN110360958A true CN110360958A (en) | 2019-10-22 |
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| CN201910478826.1A Pending CN110360958A (en) | 2019-06-04 | 2019-06-04 | A kind of magnetoresistance transformer bias automatic checkout system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091601A (en) * | 2021-04-12 | 2021-07-09 | 上海大学 | High-speed drive motor rotation angular displacement measurement error testing method |
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| CN103546084A (en) * | 2012-07-12 | 2014-01-29 | 现代自动车株式会社 | System and method for calibrating offset of motor resolver |
| CN104048602A (en) * | 2014-06-19 | 2014-09-17 | 湖北汽车工业学院 | Complete imaging vision measurement device |
| US20150092039A1 (en) * | 2013-10-02 | 2015-04-02 | Siemens Energy, Inc. | In-situ blade-mounted optical camera inspection system for turbine engines |
| CN107091962A (en) * | 2017-06-30 | 2017-08-25 | 深圳市德西机电有限责任公司 | The test system of rotary transformer |
| CN208350044U (en) * | 2018-06-13 | 2019-01-08 | 苏州绿的谐波传动科技股份有限公司 | A kind of thread testing machine |
-
2019
- 2019-06-04 CN CN201910478826.1A patent/CN110360958A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064597A (en) * | 2004-08-27 | 2006-03-09 | Sumitomo Electric Ind Ltd | Clearance measuring device |
| CN103546084A (en) * | 2012-07-12 | 2014-01-29 | 现代自动车株式会社 | System and method for calibrating offset of motor resolver |
| US20150092039A1 (en) * | 2013-10-02 | 2015-04-02 | Siemens Energy, Inc. | In-situ blade-mounted optical camera inspection system for turbine engines |
| CN104048602A (en) * | 2014-06-19 | 2014-09-17 | 湖北汽车工业学院 | Complete imaging vision measurement device |
| CN107091962A (en) * | 2017-06-30 | 2017-08-25 | 深圳市德西机电有限责任公司 | The test system of rotary transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113091601A (en) * | 2021-04-12 | 2021-07-09 | 上海大学 | High-speed drive motor rotation angular displacement measurement error testing method |
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Address after: 200444 No. 99, upper road, Shanghai, Baoshan District Applicant after: Shanghai University Applicant after: Shanghai Jieyan Information Technology Co.,Ltd. Applicant after: RUISIWO (CHENGDU) TECHNOLOGY Co.,Ltd. Applicant after: CETC measurement and control technology (Tianjin) Co.,Ltd. Address before: 201108 room 2777, building 1, No. 5500, Yuanjiang Road, Minhang District, Shanghai Applicant before: Shanghai Jieyan Information Technology Co.,Ltd. Applicant before: Shanghai University Applicant before: RUISIWO (CHENGDU) TECHNOLOGY Co.,Ltd. Applicant before: CETC measurement and control technology (Tianjin) Co.,Ltd. |
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Effective date of abandoning: 20220208 |